MCP Diff Editor

Created By

samihalawa9 months ago

# mcp

# diff-editor

Overview Content Tools Comments

Content

MCP Diff Editor

A powerful MCP-integrated diff editor for modifying files with preview capabilities.

Features

Edit files through a web interface with real-time diff preview
Apply changes using unified diff format or complete file replacement
Create backups automatically before making changes
Restore from previous backups
View examples of common diff operations
Security controls to prevent unauthorized file access

Usage as MCP

The MCP diff editor provides the following methods:

`start`

Start the diff editor server

`stop`

Stop the diff editor server

`status`

Check server status

`edit_file`

Open the diff editor for a specific file

Parameters:
- file_path: Path to the file to edit

`apply_diff`

Apply a diff to a file

Parameters:
- file_path: Path to the file to modify
- diff_content: Diff content to apply

`preview_diff`

Preview a diff without applying it

Parameters:
- file_path: Path to the file to preview changes for
- diff_content: Diff content to preview

Example Usage

const mcp = require('mcp');
const diffEditor = mcp.get('diff_editor');

// Start the server
await diffEditor.start();

// Open the editor for a specific file
const result = await diffEditor.edit_file({
  file_path: '/path/to/your/file.txt'
});

// Get the URL to access the editor
console.log(result.url);

// Apply a diff to a file
await diffEditor.apply_diff({
  file_path: '/path/to/your/file.txt',
  diff_content: `@@ -5,7 +5,7 @@
   <title>Sample Page</title>
 </head>
 <body>
-  <h1>Welcome to our website</h1>
+  <h1>Welcome to our awesome website!</h1>
   <p>Thanks for visiting us.</p>
 </body>
 </html>`
});

Environment Variables

PORT: HTTP port (default: 3009)
MCP_FILE_DIR: Directory to use as base for file operations (default: current directory)
MCP_ALLOW_ANY_PATH: Set to 'true' to allow accessing files outside the working directory

Installation

This module is intended to be used as an MCP in the /Users/samihalawa/Documents/MCP directory and should be automatically available in the MCP interface after installation.

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